As a Noun:
1. A public statement which gives information about something that has happened or that will happen; or the act of telling people about such. English = announcement, proclamation.
2. A public announcement about something important, particularly from the government. Formal English = proclamation.
3. Official information about something or some event. English = notification.
4. A written, spoken or signed account of an event or a situation, especially one that has been prepared and made public in an official capacity or as part of your work. English = report.
As a Verb or Adjective:
1. To tell people about something publicly or officially. English = announce, proclaim.
2. To tell people about something important publicly or officially, especially on behalf of the government. Formal English = proclaim.
3. To tell everyone about something; to make known to a lot of people. English = notify, advise.
4. To make a written, spoken or signed account of an event or a situation, especially if done in an official capacity or as a part of work. English = report.